Rhubarb Crunch - cooking recipe

Ingredients

1 c. flour
1 c. brown sugar
1 tsp. cinnamon
3/4 c. oats
1/2 c. melted margarine or butter
diced rhubarb
1 c. sugar
2 Tbsp. cornstarch
1 c. water
1 tsp. vanilla

Preparation

Mix the first 5 ingredients until crumbly; press half of the crumb mixture into greased baking dish.
Cover with rhubarb. Combine sugar, cornstarch, water and vanilla.
Cook until thickened and clear.
Pour over rhubarb.
Top with remaining crumbs.
Bake 1 hour at 350\u00b0.